package net.minecraft.item;

import java.util.List;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityBoat;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.stats.StatList;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.MathHelper;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;

public class ItemBoat extends Item {
	public ItemBoat() {
		this.maxStackSize = 1;
		this.setCreativeTab(CreativeTabs.tabTransport);
	}

	/**
	 * Called whenever this item is equipped and the right mouse button is pressed.
	 * Args: itemStack, world, entityPlayer
	 */
	public ItemStack onItemRightClick(ItemStack itemStackIn, World worldIn, EntityPlayer playerIn) {
		float f = 1.0F;
		float f1 = playerIn.prevRotationPitch + (playerIn.rotationPitch - playerIn.prevRotationPitch) * f;
		float f2 = playerIn.prevRotationYaw + (playerIn.rotationYaw - playerIn.prevRotationYaw) * f;
		double d0 = playerIn.prevPosX + (playerIn.posX - playerIn.prevPosX) * (double) f;
		double d1 = playerIn.prevPosY + (playerIn.posY - playerIn.prevPosY) * (double) f
				+ (double) playerIn.getEyeHeight();
		double d2 = playerIn.prevPosZ + (playerIn.posZ - playerIn.prevPosZ) * (double) f;
		Vec3 vec3 = new Vec3(d0, d1, d2);
		float f3 = MathHelper.cos(-f2 * 0.017453292F - (float) Math.PI);
		float f4 = MathHelper.sin(-f2 * 0.017453292F - (float) Math.PI);
		float f5 = -MathHelper.cos(-f1 * 0.017453292F);
		float f6 = MathHelper.sin(-f1 * 0.017453292F);
		float f7 = f4 * f5;
		float f8 = f3 * f5;
		double d3 = 5.0D;
		Vec3 vec31 = vec3.addVector((double) f7 * d3, (double) f6 * d3, (double) f8 * d3);
		MovingObjectPosition movingobjectposition = worldIn.rayTraceBlocks(vec3, vec31, true);

		if (movingobjectposition == null) {
			return itemStackIn;
		} else {
			Vec3 vec32 = playerIn.getLook(f);
			boolean flag = false;
			float f9 = 1.0F;
			List<Entity> list = worldIn.getEntitiesWithinAABBExcludingEntity(playerIn,
					playerIn.getEntityBoundingBox().addCoord(vec32.xCoord * d3, vec32.yCoord * d3, vec32.zCoord * d3)
							.expand((double) f9, (double) f9, (double) f9));

			for (int i = 0; i < list.size(); ++i) {
				Entity entity = (Entity) list.get(i);

				if (entity.canBeCollidedWith()) {
					float f10 = entity.getCollisionBorderSize();
					AxisAlignedBB axisalignedbb = entity.getEntityBoundingBox().expand((double) f10, (double) f10,
							(double) f10);

					if (axisalignedbb.isVecInside(vec3)) {
						flag = true;
					}
				}
			}

			if (flag) {
				return itemStackIn;
			} else {
				if (movingobjectposition.typeOfHit == MovingObjectPosition.MovingObjectType.BLOCK) {
					BlockPos blockpos = movingobjectposition.getBlockPos();

					if (worldIn.getBlockState(blockpos).getBlock() == Blocks.snow_layer) {
						blockpos = blockpos.down();
					}

					EntityBoat entityboat = new EntityBoat(worldIn, (double) ((float) blockpos.getX() + 0.5F),
							(double) ((float) blockpos.getY() + 1.0F), (double) ((float) blockpos.getZ() + 0.5F));
					entityboat.rotationYaw = (float) (((MathHelper
							.floor_double((double) (playerIn.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3) - 1) * 90);

					if (!worldIn.getCollidingBoundingBoxes(entityboat,
							entityboat.getEntityBoundingBox().expand(-0.1D, -0.1D, -0.1D)).isEmpty()) {
						return itemStackIn;
					}

					if (!worldIn.isRemote) {
						worldIn.spawnEntityInWorld(entityboat);
					}

					if (!playerIn.capabilities.isCreativeMode) {
						--itemStackIn.stackSize;
					}

					playerIn.triggerAchievement(StatList.objectUseStats[Item.getIdFromItem(this)]);
				}

				return itemStackIn;
			}
		}
	}
}
